Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.

John Butter, MD

Individual provider Internal Medicine Physician · NPI 1629037064

John Butter, MD is an Internal Medicine in Boston, Massachusetts. Graduated from Northwestern University Feinberg Medical School in 1991, 35 years ago. Practices with Brigham and Womens Physicians Organization Inc, a 2,916-clinician group, works from 3 locations, accepts Medicare assignment and offers telehealth. Licensed in Illinois and Massachusetts.

Years since qualifying
35
Trained at
Northwestern University Feinberg Medical School
Licensed in
IL, MA
In the registry since
2006
Specialties on file
2
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

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Practice location Address checks out

70 Francis St
Boston, MA 02115
Phone: (857) 307-4100
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (2)

  • 680 N Lake Shore Dr, Chicago, IL 60611-4546 — (312) 695-9797
  • 680 N Lake Shore Dr, Chicago, IL 60611-4546 — (312) 695-9797

Specialties & licences

Internal Medicine Physician (primary) Taxonomy 207R00000X · Licence 262483 (MA)
Internal Medicine Physician Taxonomy 207R00000X · Licence 036095458 (IL)

Record details

NPI number1629037064
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedMarch 23, 2006
Last updated in NPPESAugust 13, 2019

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyINTERNAL MEDICINE
Medical schoolNORTHWESTERN UNIVERSITY FEINBERG MEDICAL SCHOOL
Graduated 1991 (35 years in practice)
Group practice Brigham And Womens Physicians Organization Inc — 2916 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
TelehealthOffers telehealth services
Practice locations3 on file with Medicare

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